package com.demo.alibaba.util;

/**
 * Created by yangshunxing on 2016/10/8.
 */
public class Gcd {
    private String testString;
    public int gcd(int a,int b){
        int c = a%b;
        if (c>0){
            return gcd(b,c);
        }
        return b;
    }

    public static void main(String[] args) {
        Gcd g = new Gcd();
        System.out.println(g.gcd(25,10));

        String test = "-app:test";
        String test1 = "zdb"+test;
        System.out.println(test1);

    }
}
